RCF MB12N405 High-Power Neodymium Mid-Bass Driver – 12″

The RCF MB12N405 is a high-efficiency, Hypervented 12-inch mid-bass driver with a neodymium magnet structure for superior performance. Its fibreglass former and aluminum voice coil ensure high power handling while maintaining a lightweight design. The triple-roll surround and fiber-loaded exponential cone provide precise bass response, making it ideal for professional audio applications.

Product Specifications:

Nominal Diameter: 12 inches

Rated Impedance: 8 ohms

Program Power: 2000W

Power Handling: 1000W

Sensitivity: 98.5 dB

Frequency Range: 50 – 2000 Hz

Voice Coil & Magnet

Voice Coil Diameter: 4.0 inches

Winding Material: Aluminum

Coil Length: 0.79 inches

Layers: Inside/Outside (2 layers)

Magnet Type: Neodymium

Top Plate Thickness: 0.47 inches

Hypervented Magnetic Structure: Yes

Mechanical Design

Cone Design: Curved

Surround Material: Polycotton

Surround Design: Triple-roll

Spider: 01

Max. Excursion Before Damage: 2.09 inches

Thiele-Small Parameters

Resonance Frequency (Fs): 52 Hz

DC Resistance (Re): 5.00 ohms

Mechanical Q (Qms): 6.00

Electrical Q (Qes): 0.21

Total Q (Qts): 0.20

BL Factor: 23.50 T·m

Effective Moving Mass (Mms): 73 g

Equivalent Compliance Volume (Vas): 53 liters

Max Linear Excursion (Xmax): 7 mm

Mounting & Dimensions (in inches)

Overall Diameter: 12.6 inches

Mounting Bolt Circle: 11.54 – 11.97 inches

Front Mount Baffle Cut-Out: 11.1 inches

Rear Mount Baffle Cut-Out: 11.18 inches

Height: 5.24 inches

Weight: 16.98 lbs

Shipping Dimensions (in inches)

Package Height: 7.64 inches

Package Width: 13.94 inches

Package Depth: 14.33 inches

Package Weight: 19.18 lbs